drivers/media/dvb/frontends/stv0900_priv.h

   1 /*
   2  * stv0900_priv.h
   3  *
   4  * Driver for ST STV0900 satellite demodulator IC.
   5  *
   6  * Copyright (C) ST Microelectronics.
   7  * Copyright (C) 2009 NetUP Inc.
   8  * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  24  */
  25
  26 #ifndef STV0900_PRIV_H
  27 #define STV0900_PRIV_H
  28
  29 #include <linux/i2c.h>
  30
  31 #define ABS(X) ((X) < 0 ? (-1 * (X)) : (X))
  32 #define INRANGE(X, Y, Z) ((((X) <= (Y)) && ((Y) <= (Z))) \
  33                 || (((Z) <= (Y)) && ((Y) <= (X))) ? 1 : 0)
  34
  35 #ifndef MAKEWORD
  36 #define MAKEWORD(X, Y) (((X) << 8) + (Y))
  37 #endif
  38
  39 #define LSB(X) (((X) & 0xFF))
  40 #define MSB(Y) (((Y) >> 8) & 0xFF)
  41
  42 #ifndef TRUE
  43 #define TRUE (1 == 1)
  44 #endif
  45 #ifndef FALSE
  46 #define FALSE (!TRUE)
  47 #endif
  48
  49 #define dmd_reg(a, b, c) \
  50         do { \
  51                 a = 0; \
  52                 switch (demod) { \
  53                 case STV0900_DEMOD_1: \
  54                 default: \
  55                         a = b; \
  56                         break; \
  57                 case STV0900_DEMOD_2: \
  58                         a = c; \
  59                         break; \
  60                 } \
  61         } while (0)
  62
  63 static int stvdebug;
  64
  65 #define dprintk(args...) \
  66         do { \
  67                 if (stvdebug) \
  68                         printk(KERN_DEBUG args); \
  69         } while (0)
  70
  71 #define STV0900_MAXLOOKUPSIZE 500
  72 #define STV0900_BLIND_SEARCH_AGC2_TH 700
  73
  74 /* One point of the lookup table */
  75 struct stv000_lookpoint {
  76         s32 realval;/* real value */
  77         s32 regval;/* binary value */
  78 };
  79
  80 /* Lookup table definition */
  81 struct stv0900_table{
  82         s32 size;/* Size of the lookup table */
  83         struct stv000_lookpoint table[STV0900_MAXLOOKUPSIZE];/* Lookup table */
  84 };
  85
  86 enum fe_stv0900_error {
  87         STV0900_NO_ERROR = 0,
  88         STV0900_INVALID_HANDLE,
  89         STV0900_BAD_PARAMETER,
  90         STV0900_I2C_ERROR,
  91         STV0900_SEARCH_FAILED,
  92 };
  93
  94 enum fe_stv0900_clock_type {
  95         STV0900_USE_REGISTERS_DEFAULT,
  96         STV0900_SERIAL_PUNCT_CLOCK,/*Serial punctured clock */
  97         STV0900_SERIAL_CONT_CLOCK,/*Serial continues clock */
  98         STV0900_PARALLEL_PUNCT_CLOCK,/*Parallel punctured clock */
  99         STV0900_DVBCI_CLOCK/*Parallel continues clock : DVBCI */
 100 };
 101
 102 enum fe_stv0900_search_state {
 103         STV0900_SEARCH = 0,
 104         STV0900_PLH_DETECTED,
 105         STV0900_DVBS2_FOUND,
 106         STV0900_DVBS_FOUND
 107
 108 };
 109
 110 enum fe_stv0900_ldpc_state {
 111         STV0900_PATH1_OFF_PATH2_OFF = 0,
 112         STV0900_PATH1_ON_PATH2_OFF = 1,
 113         STV0900_PATH1_OFF_PATH2_ON = 2,
 114         STV0900_PATH1_ON_PATH2_ON = 3
 115 };
 116
 117 enum fe_stv0900_signal_type {
 118         STV0900_NOAGC1 = 0,
 119         STV0900_AGC1OK,
 120         STV0900_NOTIMING,
 121         STV0900_ANALOGCARRIER,
 122         STV0900_TIMINGOK,
 123         STV0900_NOAGC2,
 124         STV0900_AGC2OK,
 125         STV0900_NOCARRIER,
 126         STV0900_CARRIEROK,
 127         STV0900_NODATA,
 128         STV0900_DATAOK,
 129         STV0900_OUTOFRANGE,
 130         STV0900_RANGEOK
 131 };
 132
 133 enum fe_stv0900_demod_num {
 134         STV0900_DEMOD_1,
 135         STV0900_DEMOD_2
 136 };
 137
 138 enum fe_stv0900_tracking_standard {
 139         STV0900_DVBS1_STANDARD,/* Found Standard*/
 140         STV0900_DVBS2_STANDARD,
 141         STV0900_DSS_STANDARD,
 142         STV0900_TURBOCODE_STANDARD,
 143         STV0900_UNKNOWN_STANDARD
 144 };
 145
 146 enum fe_stv0900_search_standard {
 147         STV0900_AUTO_SEARCH,
 148         STV0900_SEARCH_DVBS1,/* Search Standard*/
 149         STV0900_SEARCH_DVBS2,
 150         STV0900_SEARCH_DSS,
 151         STV0900_SEARCH_TURBOCODE
 152 };
 153
 154 enum fe_stv0900_search_algo {
 155         STV0900_BLIND_SEARCH,/* offset freq and SR are Unknown */
 156         STV0900_COLD_START,/* only the SR is known */
 157         STV0900_WARM_START/* offset freq and SR are known */
 158 };
 159
 160 enum fe_stv0900_modulation {
 161         STV0900_QPSK,
 162         STV0900_8PSK,
 163         STV0900_16APSK,
 164         STV0900_32APSK,
 165         STV0900_UNKNOWN
 166 };
 167
 168 enum fe_stv0900_modcode {
 169         STV0900_DUMMY_PLF,
 170         STV0900_QPSK_14,
 171         STV0900_QPSK_13,
 172         STV0900_QPSK_25,
 173         STV0900_QPSK_12,
 174         STV0900_QPSK_35,
 175         STV0900_QPSK_23,
 176         STV0900_QPSK_34,
 177         STV0900_QPSK_45,
 178         STV0900_QPSK_56,
 179         STV0900_QPSK_89,
 180         STV0900_QPSK_910,
 181         STV0900_8PSK_35,
 182         STV0900_8PSK_23,
 183         STV0900_8PSK_34,
 184         STV0900_8PSK_56,
 185         STV0900_8PSK_89,
 186         STV0900_8PSK_910,
 187         STV0900_16APSK_23,
 188         STV0900_16APSK_34,
 189         STV0900_16APSK_45,
 190         STV0900_16APSK_56,
 191         STV0900_16APSK_89,
 192         STV0900_16APSK_910,
 193         STV0900_32APSK_34,
 194         STV0900_32APSK_45,
 195         STV0900_32APSK_56,
 196         STV0900_32APSK_89,
 197         STV0900_32APSK_910,
 198         STV0900_MODCODE_UNKNOWN
 199 };
 200
 201 enum fe_stv0900_fec {/*DVBS1, DSS and turbo code puncture rate*/
 202         STV0900_FEC_1_2 = 0,
 203         STV0900_FEC_2_3,
 204         STV0900_FEC_3_4,
 205         STV0900_FEC_4_5,/*for turbo code only*/
 206         STV0900_FEC_5_6,
 207         STV0900_FEC_6_7,/*for DSS only */
 208         STV0900_FEC_7_8,
 209         STV0900_FEC_8_9,/*for turbo code only*/
 210         STV0900_FEC_UNKNOWN
 211 };
 212
 213 enum fe_stv0900_frame_length {
 214         STV0900_LONG_FRAME,
 215         STV0900_SHORT_FRAME
 216 };
 217
 218 enum fe_stv0900_pilot {
 219         STV0900_PILOTS_OFF,
 220         STV0900_PILOTS_ON
 221 };
 222
 223 enum fe_stv0900_rolloff {
 224         STV0900_35,
 225         STV0900_25,
 226         STV0900_20
 227 };
 228
 229 enum fe_stv0900_search_iq {
 230         STV0900_IQ_AUTO,
 231         STV0900_IQ_AUTO_NORMAL_FIRST,
 232         STV0900_IQ_FORCE_NORMAL,
 233         STV0900_IQ_FORCE_SWAPPED
 234 };
 235
 236 enum stv0900_iq_inversion {
 237         STV0900_IQ_NORMAL,
 238         STV0900_IQ_SWAPPED
 239 };
 240
 241 enum fe_stv0900_diseqc_mode {
 242         STV0900_22KHZ_Continues = 0,
 243         STV0900_DISEQC_2_3_PWM = 2,
 244         STV0900_DISEQC_3_3_PWM = 3,
 245         STV0900_DISEQC_2_3_ENVELOP = 4,
 246         STV0900_DISEQC_3_3_ENVELOP = 5
 247 };
 248
 249 enum fe_stv0900_demod_mode {
 250         STV0900_SINGLE = 0,
 251         STV0900_DUAL
 252 };
 253
 254 struct stv0900_init_params{
 255         u32     dmd_ref_clk;/* Refrence,Input clock for the demod in Hz */
 256
 257         /* Demodulator Type (single demod or dual demod) */
 258         enum fe_stv0900_demod_mode      demod_mode;
 259         enum fe_stv0900_rolloff         rolloff;
 260         enum fe_stv0900_clock_type      path1_ts_clock;
 261
 262         u8      tun1_maddress;
 263         int     tuner1_adc;
 264
 265         /* IQ from the tuner1 to the demod */
 266         enum stv0900_iq_inversion       tun1_iq_inversion;
 267         enum fe_stv0900_clock_type      path2_ts_clock;
 268
 269         u8      tun2_maddress;
 270         int     tuner2_adc;
 271
 272         /* IQ from the tuner2 to the demod */
 273         enum stv0900_iq_inversion       tun2_iq_inversion;
 274         struct stv0900_reg              *ts_config;
 275 };
 276
 277 struct stv0900_search_params {
 278         enum fe_stv0900_demod_num       path;/* Path Used demod1 or 2 */
 279
 280         u32     frequency;/* Transponder frequency (in KHz) */
 281         u32     symbol_rate;/* Transponder symbol rate  (in bds)*/
 282         u32     search_range;/* Range of the search (in Hz) */
 283
 284         enum fe_stv0900_search_standard standard;
 285         enum fe_stv0900_modulation      modulation;
 286         enum fe_stv0900_fec             fec;
 287         enum fe_stv0900_modcode         modcode;
 288         enum fe_stv0900_search_iq       iq_inversion;
 289         enum fe_stv0900_search_algo     search_algo;
 290
 291 };
 292
 293 struct stv0900_signal_info {
 294         int     locked;/* Transponder locked */
 295         u32     frequency;/* Transponder frequency (in KHz) */
 296         u32     symbol_rate;/* Transponder symbol rate  (in Mbds) */
 297
 298         enum fe_stv0900_tracking_standard       standard;
 299         enum fe_stv0900_fec                     fec;
 300         enum fe_stv0900_modcode                 modcode;
 301         enum fe_stv0900_modulation              modulation;
 302         enum fe_stv0900_pilot                   pilot;
 303         enum fe_stv0900_frame_length            frame_length;
 304         enum stv0900_iq_inversion               spectrum;
 305         enum fe_stv0900_rolloff                 rolloff;
 306
 307         s32 Power;/* Power of the RF signal (dBm) */
 308         s32 C_N;/* Carrier to noise ratio (dB x10)*/
 309         u32 BER;/* Bit error rate (x10^7) */
 310
 311 };
 312
 313 struct stv0900_internal{
 314         s32     quartz;
 315         s32     mclk;
 316         /* manual RollOff for DVBS1/DSS only */
 317         enum fe_stv0900_rolloff         rolloff;
 318         /* Demodulator use for single demod or for dual demod) */
 319         enum fe_stv0900_demod_mode      demod_mode;
 320
 321         /*Demod 1*/
 322         s32     tuner1_freq;
 323         s32     tuner1_bw;
 324         s32     dmd1_symbol_rate;
 325         s32     dmd1_srch_range;
 326
 327         /* algorithm for search Blind, Cold or Warm*/
 328         enum fe_stv0900_search_algo     dmd1_srch_algo;
 329         /* search standard: Auto, DVBS1/DSS only or DVBS2 only*/
 330         enum fe_stv0900_search_standard dmd1_srch_standard;
 331         /* inversion search : auto, auto norma first, normal or inverted */
 332         enum fe_stv0900_search_iq       dmd1_srch_iq_inv;
 333         enum fe_stv0900_modcode         dmd1_modcode;
 334         enum fe_stv0900_modulation      dmd1_modulation;
 335         enum fe_stv0900_fec             dmd1_fec;
 336
 337         struct stv0900_signal_info      dmd1_rslts;
 338         enum fe_stv0900_signal_type     dmd1_state;
 339
 340         enum fe_stv0900_error           dmd1_err;
 341
 342         /*Demod 2*/
 343         s32     tuner2_freq;
 344         s32     tuner2_bw;
 345         s32     dmd2_symbol_rate;
 346         s32     dmd2_srch_range;
 347
 348         enum fe_stv0900_search_algo     dmd2_srch_algo;
 349         enum fe_stv0900_search_standard dmd2_srch_stndrd;
 350         /* inversion search : auto, auto normal first, normal or inverted */
 351         enum fe_stv0900_search_iq       dmd2_srch_iq_inv;
 352         enum fe_stv0900_modcode         dmd2_modcode;
 353         enum fe_stv0900_modulation      dmd2_modulation;
 354         enum fe_stv0900_fec             dmd2_fec;
 355
 356         /* results of the search*/
 357         struct stv0900_signal_info      dmd2_rslts;
 358         /* current state of the search algorithm */
 359         enum fe_stv0900_signal_type     dmd2_state;
 360
 361         enum fe_stv0900_error           dmd2_err;
 362
 363         struct i2c_adapter      *i2c_adap;
 364         u8                      i2c_addr;
 365         u8                      clkmode;/* 0 for CLKI, 2 for XTALI */
 366         u8                      chip_id;
 367         struct stv0900_reg      *ts_config;
 368         enum fe_stv0900_error   errs;
 369         int dmds_used;
 370 };
 371
 372 /* state for each demod */
 373 struct stv0900_state {
 374         /* pointer for internal params, one for each pair of demods */
 375         struct stv0900_internal         *internal;
 376         struct i2c_adapter              *i2c_adap;
 377         const struct stv0900_config     *config;
 378         struct dvb_frontend             frontend;
 379         int demod;
 380 };
 381
 382 extern s32 ge2comp(s32 a, s32 width);
 383
 384 extern void stv0900_write_reg(struct stv0900_internal *i_params,
 385                                 u16 reg_addr, u8 reg_data);
 386
 387 extern u8 stv0900_read_reg(struct stv0900_internal *i_params,
 388                                 u16 reg_addr);
 389
 390 extern void stv0900_write_bits(struct stv0900_internal *i_params,
 391                                 u32 label, u8 val);
 392
 393 extern u8 stv0900_get_bits(struct stv0900_internal *i_params,
 394                                 u32 label);
 395
 396 extern int stv0900_get_demod_lock(struct stv0900_internal *i_params,
 397                                 enum fe_stv0900_demod_num demod, s32 time_out);
 398 extern int stv0900_check_signal_presence(struct stv0900_internal *i_params,
 399                                 enum fe_stv0900_demod_num demod);
 400
 401 extern enum fe_stv0900_signal_type stv0900_algo(struct dvb_frontend *fe);
 402
 403 extern void stv0900_set_tuner(struct dvb_frontend *fe, u32 frequency,
 404                                 u32 bandwidth);
 405 extern void stv0900_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth);
 406
 407 extern void stv0900_start_search(struct stv0900_internal *i_params,
 408                                 enum fe_stv0900_demod_num demod);
 409
 410 extern u8 stv0900_get_optim_carr_loop(s32 srate,
 411                                 enum fe_stv0900_modcode modcode,
 412                                 s32 pilot, u8 chip_id);
 413
 414 extern u8 stv0900_get_optim_short_carr_loop(s32 srate,
 415                                 enum fe_stv0900_modulation modulation,
 416                                 u8 chip_id);
 417
 418 extern void stv0900_stop_all_s2_modcod(struct stv0900_internal *i_params,
 419                                 enum fe_stv0900_demod_num demod);
 420
 421 extern void stv0900_activate_s2_modcode(struct stv0900_internal *i_params,
 422                                 enum fe_stv0900_demod_num demod);
 423
 424 extern void stv0900_activate_s2_modcode_single(struct stv0900_internal *i_params,
 425                                 enum fe_stv0900_demod_num demod);
 426
 427 extern enum fe_stv0900_tracking_standard stv0900_get_standard(struct dvb_frontend *fe,
 428                                 enum fe_stv0900_demod_num demod);
 429
 430 #endif